Jameleddine Hassine Rachida Dssouli Juergen Rilling Applying Reduction Techniques to Software Functional Requirement Specifications. 138-153 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3319&spage=138 2004 conf/sam/2004 SAM db/conf/sam/sam2004.html#HassineDR04